CN220805368U - Upsetting die set for CPU heat-dissipating cover plate - Google Patents
Upsetting die set for CPU heat-dissipating cover plate Download PDFInfo
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- CN220805368U CN220805368U CN202322600231.3U CN202322600231U CN220805368U CN 220805368 U CN220805368 U CN 220805368U CN 202322600231 U CN202322600231 U CN 202322600231U CN 220805368 U CN220805368 U CN 220805368U
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- 239000000463 material Substances 0.000 claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model discloses a upsetting die set for a CPU heat-dissipating cover plate, which relates to the technical field of cold upsetting and comprises a first cold upsetting die, a second cold upsetting die and a third cold upsetting die which are fixed on a cold upsetting machine. According to the utility model, the first convex boss and the second boss are formed on the bottom surface of the blank through the first cold heading die, the thicknesses of the first convex boss and the second boss are mounded through the first cold heading die, so that the first convex boss and the second boss can be formed in two steps, burrs are not easy to occur on the edges of the first convex boss and the second boss, and when the blank is extruded by the first cold heading die, the blank material is fed through the first feeding gap at two sides, so that the flying material of the blank is reduced, and then the pit formed on the boss surface of the blank is separated from the first convex boss and the second boss through the third cold heading die, so that burrs on the edges of the pit can be reduced, and meanwhile, when the blank is extruded by the third cold heading die, the blank material is fed through the second feeding gap, so that the flying material of the blank is reduced again.
Description
Technical Field
The utility model relates to the technical field of cold heading, in particular to a heading die set for a CPU heat dissipation cover plate.
Background
The cold heading process is one of the new processes of few and no-cutting metal pressure machining, and is a machining method for forming required parts or blanks by utilizing plastic deformation generated by metal under the action of external force and redistributing and transferring metal volumes by means of a die, wherein in the existing cold heading machining technology of the CPU heat dissipation cover plate, blank materials are formed through one-step forming of bosses and pits, so that a large number of burrs exist at edges of the bosses and the pits after forming, and the problem is solved.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a upsetting die set for a CPU heat dissipation cover plate, which is designed for the upsetting die set for the CPU heat dissipation cover plate and solves the problems in the prior art.
The aim of the utility model is realized by the following technical scheme:
The utility model provides a upsetting die set for CPU heat dissipation apron, is including fixing first cold-heading mould, second cold-heading mould, third cold-heading mould, fourth cold-heading mould and the fifth cold-heading mould on the cold-heading machine, first cold-heading mould is used for forming first boss and second boss and mound with the bottom surface of blank and presses the thickness of first boss and second boss, the second cold-heading mould is used for the part excision of walking the material in blank both sides, the third cold-heading mould is used for the pit that forms the boss face of blank, the fourth cold-heading mould is used for with the part excision of walking the material in blank both sides after the pit forms, the fifth cold-heading mould is used for mound pressing the holistic thickness of blank.
In the above summary of the utility model, further, the first cold heading die includes a first upper die core connected to the top surface of the blank, a first lower die core connected to the bottom surface of the blank, and a first male die disposed in the first lower die core, where the first male die is used to form a first boss and a second boss on the bottom surface of the blank and to pier the thicknesses of the first boss and the second boss, and a first feeding gap is disposed between the first upper die core and the first lower die core.
In the above summary, further, the second cold heading die includes a first top plate connected to the top surface of the blank, a first female die fixed on two sides of the outer wall of the first top plate and used for cutting off the feeding portions on two sides of the blank, and a second male die connected to the bottom surface of the blank.
In the above summary of the utility model, further, the third cold heading die includes a second upper die core connected to the top surface of the blank, a second lower die core connected to the bottom surface of the blank, and a third convex module disposed in the second lower die core and used for forming a concave pit on the boss surface of the blank, and a second feeding gap is disposed between the second upper die core and the second lower die core.
In the above summary of the utility model, further, the fourth cold heading die includes a second top plate connected to the top surface of the blank, a second female die fixed on two sides of the outer wall of the second top plate and used for cutting off the feeding parts on two sides of the blank, a third male die connected to the bottom surface of the blank, and a positioning block arranged in the third male die and used for connecting the bottom surface of the blank.
In the above summary, further, the fifth cold heading die includes a third upper die core connected to the top surface of the blank, a third lower die core connected to the bottom surface of the blank, and a third female die disposed in the third lower die core and used for heading the entire thickness of the blank.
The beneficial effects of the utility model are as follows:
According to the utility model, the first convex boss and the second boss are formed on the bottom surface of the blank through the first cold heading die, the thicknesses of the first convex boss and the second boss are mounded through the first cold heading die, so that the first convex boss and the second boss can be formed in two steps, burrs are not easy to occur on the edges of the first convex boss and the second boss, and when the blank is extruded by the first cold heading die, the blank material is fed through the first feeding gap at two sides, so that the flying material of the blank is reduced, and then the pit formed on the boss surface of the blank is separated from the first convex boss and the second boss through the third cold heading die, so that burrs on the edges of the pit can be reduced, and meanwhile, when the blank is extruded by the third cold heading die, the blank material is fed through the second feeding gap, so that the flying material of the blank is reduced again.
Drawings
FIG. 1 is a schematic diagram of the product structure of the present utility model;
FIG. 2 is a schematic diagram of a first cold heading die according to the present utility model;
FIG. 3 is a second schematic diagram of a first cold heading die according to the present utility model;
FIG. 4 is a schematic diagram of a second cold heading die structure according to the present utility model;
FIG. 5 is a schematic diagram of a third cold heading die structure according to the present utility model;
FIG. 6 is a schematic diagram of a fourth cold heading die structure according to the present utility model;
fig. 7 is a schematic structural diagram of a fifth cold heading die of the utility model.
In the figure, 1-first upper mold core, 2-first lower mold core, 201-first male mold, 3-first top plate, 301-first female mold, 4-second male mold, 5-second upper mold core, 6-second lower mold core, 601-third male mold block, 7-second top plate, 701-second female mold, 8-third male mold, 801-positioning block, 9-third upper mold core, 10-third lower mold core, 1001-third female mold.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
Examples:
Referring to fig. 1-7, a upsetting die set for a CPU heat-dissipating cover plate includes a first cold upsetting die, a second cold upsetting die, a third cold upsetting die, a fourth cold upsetting die, and a fifth cold upsetting die fixed on a cold upsetting machine;
Referring to fig. 2 and 3 of the drawings, the first cold heading die comprises a first upper die core 1 connected to the top surface of the CPU cover plate, a first lower die core 2 connected to the bottom surface of the CPU cover plate, and a first punch 201 arranged in the first lower die core, wherein the first punch 201 is used for forming the bottom surface of the blank into a first boss and a second boss and upsetting the thicknesses of the first boss and the second boss, a first feeding gap 101 is arranged between the first upper die core 1 and the first lower die 2, firstly, a product is moved onto the first lower die core 2, then the first upper die core 1 is propped against a blank, the first boss and the second boss are formed through the first punch 201, after the first boss and the second boss are formed, the thicknesses of the first boss and the second boss are continuously upsetted through the first punch 201, the first boss and the second boss are formed in two steps, and the burrs can be reduced, and the blank can be fed to the first feeding gap 101 from two sides of the blank under the extrusion of the first upper die core 1 and the first punch 201, so that the blank is reduced.
With continued reference to fig. 4, the second cold heading die includes a first top plate 3 connected to the top surface of the blank, a first female die 301 fixed on two sides of the outer wall of the first top plate 3 and used for cutting away the material running portions on two sides of the blank, and a second male die 4 connected to the bottom surface of the blank, wherein the blank is moved onto the second male die 4, and the first top plate 3 moves downwards to enable the first female die 301 to cut away the material running portions on two sides of the blank.
With continued reference to fig. 5, the third cold heading die includes a second upper die core 5 connected to the top surface of the blank, a second lower die core 6 connected to the bottom surface of the blank, and a third convex die block 601 disposed in the second lower die core 6 and used for forming a concave pit on the boss surface of the blank, when the parts of the blank running on both sides are cut off, the blank is moved onto the second lower die core 6, the second upper die core 5 is pressed against the blank, the concave pit formed by the convex table of the CPU cover plate is pressed by the third convex die block 8, and meanwhile, the blank can be fed to the second running gap 501 on both sides of the blank under the extrusion of the third die block and the second upper die core 5, so that the flying material of the blank can be reduced again.
With continued reference to fig. 6, the fourth cold heading die includes a second top plate 7 connected to the top surface of the blank, a second female die 701 fixed on two sides of the outer wall of the second top plate 7 and used for cutting away the material running portions on two sides of the blank, a third male die 8 connected to the bottom surface of the blank, and a positioning block 801 arranged in the third male die 8 and used for connecting the bottom surface of the blank.
With continued reference to fig. 7, the five-cold heading die includes a third upper die core 9 connected to the top surface of the blank, a third lower die core 10 connected to the bottom surface of the blank, and a third female die 1001 disposed in the third lower die core 10 and used for upsetting the whole thickness of the blank, and after the cutting of the blank is completed, the blank is moved onto the third lower die core 10, so that the third upper die core 9 abuts against the blank, and the blank is extruded through the third female die 1001, so that the whole blank returns to a 3mm state.
The working principle is as follows; the device firstly moves the product to a first lower die core 2, then the first upper die core 1 is propped against blank materials, a first boss and a second boss are formed on the bottom surface of a blank material through a first punch 201, after the first boss and the second boss are formed, the thicknesses of the first boss and the second boss are continuously mounded through the first punch 201, the first boss and the second boss are formed in two steps, the burrs can be reduced, the blank materials can be conveyed to a first conveying gap 101 from two sides of the blank material under the extrusion of the first upper die core 1 and the first punch 201, so that the flying materials of the blank materials are reduced, then the blank materials are conveyed to a second punch 4, the first punch 301 is used for cutting off the conveying parts on two sides of the blank materials through a first top plate 3, the blank materials are conveyed to a second lower die core 6 after the cutting off of the conveying parts on two sides of the blank materials is finished, the second upper die core 5 is propped against the blank, the concave pits formed by the convex table surface of the CPU cover plate are formed through the third male die 8 blocks 601, meanwhile, the blank is extruded by the third die block and the second upper die core 5, two sides of the blank can be conveyed to the second feeding gap 501, the flying material of the blank can be reduced again, after the concave pits of the blank are formed, the blank is moved to the third male die 8, the blank is supported through the positioning block 801, then the second top plate 7 moves downwards, the second female die 701 is used for cutting off the two sides of the blank, the blank is moved to the third lower die core 10 after the part of the blank is cut off, the third upper die core 9 is propped against the blank, the blank is extruded by the third female die 1001, and the whole blank is returned to the 3mm state.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. The upsetting die set for the CPU heat dissipation cover plate is characterized by comprising a first cold upsetting die, a second cold upsetting die, a third cold upsetting die, a fourth cold upsetting die and a fifth cold upsetting die which are fixed on a cold upsetting machine, wherein the first cold upsetting die is used for forming a first boss, a second boss and upsetting the bottom surface of a blank into the thickness of the first boss and the thickness of the second boss, the second cold upsetting die is used for cutting away parts of two sides of a blank, the third cold upsetting die is used for cutting away pits formed by the convex table surfaces of the blank, the fourth cold upsetting die is used for cutting away parts of two sides of the blank after the pits are formed, and the fifth cold upsetting die is used for upsetting the whole thickness of the blank.
2. The upsetting die set for a CPU heat sink cover plate as recited in claim 1, wherein,
The first cold heading die comprises a first upper die core (1) connected to the top surface of a blank material, a first lower die core (2) connected to the bottom surface of the blank material and a first male die (201) arranged in the first lower die core (2), wherein the first male die (201) is used for forming a first boss and a second boss on the bottom surface of a blank material and upsetting the thickness of the first boss and the second boss, and a first feeding gap (101) is formed between the first upper die core (1) and the first lower die core (2).
3. The upsetting die set for a CPU heat sink cover plate as recited in claim 1, wherein,
The second cold heading die comprises a first top plate (3) connected to the top surface of the blank material, first female dies (301) fixed on two sides of the outer wall of the first top plate (3) and used for cutting away material running parts on two sides of the blank material, and second male dies (4) connected to the bottom surface of the blank material.
4. The upsetting die set for a CPU heat sink cover plate as recited in claim 1, wherein,
The third cold heading die comprises a second upper die core (5) connected to the top surface of the blank material, a second lower die core (6) connected to the bottom surface of the blank material and a third convex module (601) which is arranged in the second lower die core (6) and used for forming pits on the boss surface of the blank material, and a second feeding gap (501) is arranged between the second upper die core (5) and the second lower die core (6).
5. The upsetting die set for a CPU heat sink cover plate as recited in claim 1, wherein,
The fourth cold heading die comprises a second top plate (7) connected to the top surface of the blank, second female dies (701) fixed on two sides of the outer wall of the second top plate (7) and used for cutting away material running parts on two sides of the blank, a third male die (8) connected to the bottom surface of the blank, and a positioning block (801) arranged in the third male die (8) and used for connecting the bottom surface of the blank.
6. The upsetting die set for a CPU heat sink cover plate as recited in claim 1, wherein,
The fifth cold heading die comprises a third upper die core (9) connected to the top surface of the blank, a third lower die core (10) connected to the bottom surface of the blank and a third female die (1001) arranged in the third lower die core (10) and used for upsetting the whole thickness of the blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322600231.3U CN220805368U (en) | 2023-09-25 | 2023-09-25 | Upsetting die set for CPU heat-dissipating cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322600231.3U CN220805368U (en) | 2023-09-25 | 2023-09-25 | Upsetting die set for CPU heat-dissipating cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220805368U true CN220805368U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322600231.3U Active CN220805368U (en) | 2023-09-25 | 2023-09-25 | Upsetting die set for CPU heat-dissipating cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220805368U (en) |
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2023
- 2023-09-25 CN CN202322600231.3U patent/CN220805368U/en active Active
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